213203100302331 has 16 divisors (see below), whose sum is σ = 284343788172288. Its totient is φ = 142098910466400.

The previous prime is 213203100302281. The next prime is 213203100302359. The reversal of 213203100302331 is 133203001302312.

It is not a de Polignac number, because 213203100302331 - 2⁶ = 213203100302267 is a prime.

It is a super-2 number, since 2×213203100302331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213203100302431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208609036 + ... + 209628566.

It is an arithmetic number, because the mean of its divisors is an integer number (17771486760768).

Almost surely, 2^{213203100302331} is an apocalyptic number.

213203100302331 is a deficient number, since it is larger than the sum of its proper divisors (71140687869957).

213203100302331 is a wasteful number, since it uses less digits than its factorization.

213203100302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037362.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213203100302331 its reverse (133203001302312), we get a palindrome (346406101604643).

The spelling of 213203100302331 in words is "two hundred thirteen trillion, two hundred three billion, one hundred million, three hundred two thousand, three hundred thirty-one".